A gold, platinum, amethyst, diamond and guilloché enamel brooch marked Fabergé, indistinct town mark, probably St. Petersburg, 1908-1917, scratched inventory numbers 1599 and 84557shaped octagonal, the central cushion-cut amethyst surrounded by rose-cut diamonds, the openwork surround with rose and old-cut diamond flowers with oyster guilloché enamelled border, further enriched with diamond-set ribbon surmounts to four sides
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